Lumenci is seeking a testifying expert with expertise in UI/UX design, location-based services, and audio technologies (including noise cancellation). Experience with user interface design and usability, geolocation systems (such as GPS, Wi-Fi/Bluetooth positioning), and audio signal processing is highly relevant. Familiarity with areas such as mobile and web applications, mapping and navigation systems, and acoustic systems including active noise control is preferred. Prior deposition or trial testimony experience is highly desirable.